The Living. Anthony Clarvoe's historical drama in which the struggle of Londoners during the plague year of 1665 mirrors the modern reality fo the age of AIDS. Loeb Mainstage, 8 p.m. $5. Creative black tie attire. Call 547-8300 for more information and tickets. 28 April Friday

Concert

Harvard-Radcliffe Orchestra. Will perform Debussy's La Damoiselle Elue with the Radcliffe Choral Society, Mendelssohn's Symphhony No. 3 "Scottish" and Vaughan Williams' Five Mystical Songs with the Harvard Glee Club, Harvard-Radcliffe Collegium Musicum and Radcliffe Choral Society. Sanders Theatre, 8 p.m. Call 496-2222 for tickets and more information.

Theatre

A Streetcar Named Desire. Agassiz Theatre, 8 p.m. $5 for students.

Guys and Dolls. Cabot House, 7:30 p.m. $5 for students; $3 for Cabot residents.

The Living. Loeb Mainstage, 8 p.m. $5. Call 547-8300 for information or tickets.

Goodnight Desdemona (Good Morning Juliet). What if two of Shakespeare's greatest tragedies were really comedies? That is the question asked in Ann-Marie MacDonald's play of jealousy, rage, murder, love, lust, crossdressing and mutilated turtles named Hector. 7:30 at the Loeb Experimental Theater. Tickets are free.

Tribute

The Many Faces of Jack Lemmon: Tribute to Jack Lemmon. Harvard Film Archive, 7 p.m. Lemmon will be present to discuss his career in cinema. $15. 29 April Saturday

Concert

Currier House Music Society. Pianist Angela Au `97 performs a recital featuring works by Chopin, Ravel and Mozart. Senior Common Room, 6 p.m. Free.

Department of Music. The Harvard Group for New Music performs works by Kirchner, Tuli, Taddie, Clingan, Koczela and Rindfleisch. Paine Concert Hall, 8 p.m. Free.

Office for the Arts. Russ Gershon, the Either/Orchestra, and the Harvard Jazz Band perform works composed and arranged by Gershon, as well as a new work by Gershon specially commissioned by the Office for the Arts featuring Boston-based jazz trumpeter John Carlson. Lowell Hall, 10:30 p.m. Free.

Conference